/*
 * Copyright 2017 Google Inc. All rights reserved.
 *
 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
 * in compliance with the License. You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software distributed under the License
 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

const httpMocks = require('node-mocks-http');
const process = require('process');

const BASE = '../../build/web/nb/';
const health = require(BASE + 'health');

describe('Unit tests', function() {
describe('health', function() {

  let response;
  beforeEach(function() {
    response = httpMocks.createResponse();
  });

  it('returns a handler', function() {
    expect(health.createHandler()).not.toBeNull();
  });

  it('handles health request', function() {
    const request = httpMocks.createRequest({
      method: 'GET',
      url: 'http://foo/_ah/health',
    });
    health.createHandler(null)(request, response);
    expect(response.statusCode).toEqual(200);
    expect(response._isEndCalled()).toBe(true);
  });

  it('handles start request', function() {
    const request = httpMocks.createRequest({
      method: 'GET',
      url: 'http://foo/_ah/start',
    });
    health.createHandler(null)(request, response);
    expect(response.statusCode).toEqual(200);
    expect(response._isEndCalled()).toBe(true);
  });

  it('handles stop request', function() {
    spyOn(process, 'exit');
    const request = httpMocks.createRequest({
      method: 'GET',
      url: 'http://foo/_ah/stop',
    });
    health.createHandler(null)(request, response);
    expect(response.statusCode).toEqual(200);
    expect(response._isEndCalled()).toBe(true);
    expect(process.exit).toHaveBeenCalled();
  });

  it('complains about bad request', function() {
    const request = httpMocks.createRequest({
      method: 'GET',
      url: 'http://foo/_ah/bogus',
    });
    health.createHandler(null)(request, response);
    expect(response.statusCode).toEqual(404);
    expect(response._isEndCalled()).toBe(true);
  });

});
});
